U.S. Air Force Col. Bart Van Roo, the 115th Fighter Wing commander, passes the sword to Chief Master Sgt. Michael Alvarez during the change of authority ceremony at Truax Field in Madison, Wisconsin, Nov. 4, 2023. Alvarez took over command from Chief Master Sgt. Brian Carroll who served as the unit's senior enlisted leader since December 2020. (U.S. Air National Guard photo by Master Sgt. Mary Greenwood)